Diff Report
Run #52a03729e7d1a: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #52a037bb4f6e8: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #52a03729e7d1aRun #52a037bb4f6e8DiffDiff%
Number of Function Calls117 117 0 0.0%
Incl. Wall Time (microsec)5,094 5,266 172 3.4%
Incl. Wall Time (microsec) per call 44 45 1 3.4%
Excl. Wall Time (microsec)1,893 1,889 -4 -0.2%
Incl. CPU (microsecs)4,807 4,971 164 3.4%
Incl. CPU (microsecs) per call 41 42 1 3.4%
Excl. CPU (microsec)1,565 1,552 -13 -0.8%
Incl. MemUse (bytes)82,888 82,888 0 0.0%
Incl. MemUse (bytes) per call 708 708 0 0.0%
Excl. MemUse (bytes)-147,024 -147,024 0 0.0%
Incl. PeakMemUse (bytes)97,792 98,064 272 0.3%
Incl. PeakMemUse (bytes) per call 836 838 2 0.3%
Excl. PeakMemUse (bytes)17,456 17,264 -192 -1.1%

Parent/Child Regression/Improvement report for Drupal\Core\Cache\DatabaseBackend::checksumTags [View Callgraph Diff]


Function NameCalls DiffCalls
Diff%		Incl. Wall
Diff
(microsec)		IWall
Diff%		Incl. CPU Diff
(microsec)		ICpu
Diff%		Incl.
MemUse
Diff
(bytes)		IMemUse
Diff%		Incl.
PeakMemUse
Diff
(bytes)		IPeakMemUse
Diff%
Current Function
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 172 20.6% 164 19.0% 0 0.0% 272 0.4%
Exclusive Metrics Diff for Current Function-4 -2.3% -13 -7.9% 0 N/A% -192 -70.6%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 172 100.0% 164 100.0% 0 N/A% 272 100.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 156 90.7% 148 90.2% 0 N/A% 440 161.8%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 28 16.3% 29 17.7% 0 N/A% 0 0.0%
array_diff0 N/A% -19 -11.0% -9 -5.5% 0 N/A% -8 -2.9%
array_keys0 N/A% 10 5.8% 10 6.1% 0 N/A% 32 11.8%
drupal_static0 N/A% 2 1.2% -1 -0.6% 0 N/A% 0 0.0%
array_fill_keys0 N/A% -1 -0.6% 0 0.0% 0 N/A% 0 0.0%